Dennis McGuire, Jr. found this new engine for South Elgin on the Rosenbauer website:

NEW DELIVERY: SOUTH ELGIN FIRE DISTRICT

Rosenbauer fire engine

new engine for South Elgin. Rosenbauer photo

Fire Truck Specifications:

Body: EXT Tank Cap: 750 Pump Model: CSU
Pump Mfr: Waterous Pump Cap: 1,500 Foam Cell: N/A
Engine: Cummins Engine Model: ISL9 HP: 450
Transmission: Allison 3000 EV Warning Lights: Whelen LED Generator: Harrison
Chassis: RBM Commander Pump Mount: Top Axles: Single